Fees Summary	Feb. 03, 2026 USD ($)
Fees Summary [Line Items]
Total Offering	$ 1,215,000.00
Previously Paid Amount	0.00
Total Fee Amount	167.79
Total Offset Amount	0.00
Net Fee	167.79
Narrative - Max Aggregate Offering Price	$ 1,215,000.00
Final Prospectus	true

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230

Name:	ffd_NrrtvMaxAggtOfferingPric
Namespace Prefix:	ffd_
Data Type:	ffd:nonNegative100TMonetary2ItemType
Balance Type:	na
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230

Name:	ffd_TtlFeeAmt
Namespace Prefix:	ffd_
Data Type:	ffd:nonNegative1TMonetary2ItemType
Balance Type:	na
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230

Name:	ffd_TtlOfferingAmt
Namespace Prefix:	ffd_
Data Type:	ffd:nonNegative1TMonetary2ItemType
Balance Type:	na
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230

Name:	ffd_TtlOffsetAmt
Namespace Prefix:	ffd_
Data Type:	ffd:nonNegative1TMonetary2ItemType
Balance Type:	na
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230

Name:	ffd_TtlPrevslyPdAmt
Namespace Prefix:	ffd_
Data Type:	ffd:nonNegative1TMonetary2ItemType
Balance Type:	na
Period Type:	duration